Is there plastic lurking in your salt? Find out in this hands-on activity, and walk away with a ready-to-use lab that will engage your students as citizen scientists. Then extend student learning with our Take Action Toolkit which is packed with classroom-ready activities to motivate and inspire students to be environmental change-makers. Finally, learn how you can use Ocean School, a free environmental education resource and official UN Ocean Decade action, to teach any subject through an ocean lens. Session suitable for formal and informal educators Grades 5-12.